Base | Representation |
---|---|
bin | 100000011001110… |
… | …0110011100101010 |
3 | 2210202212222012021 |
4 | 1000303212130222 |
5 | 4211320044100 |
6 | 255515535054 |
7 | 35641426306 |
oct | 10063463452 |
9 | 2722788167 |
10 | 1087268650 |
11 | 50880a036 |
12 | 26415a48a |
13 | 144343b40 |
14 | a4586d06 |
15 | 656bda1a |
hex | 40ce672a |
1087268650 has 48 divisors (see below), whose sum is σ = 2272604544. Its totient is φ = 383993280.
The previous prime is 1087268641. The next prime is 1087268669. The reversal of 1087268650 is 568627801.
It is a junction number, because it is equal to n+sod(n) for n = 1087268597 and 1087268606.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21414 + ... + 51313.
It is an arithmetic number, because the mean of its divisors is an integer number (47345928).
Almost surely, 21087268650 is an apocalyptic number.
1087268650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1087268650 is an abundant number, since it is smaller than the sum of its proper divisors (1185335894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1087268650 is a wasteful number, since it uses less digits than its factorization.
1087268650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72775 (or 72770 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 43.
The square root of 1087268650 is about 32973.7569894606. The cubic root of 1087268650 is about 1028.2821303435.
The spelling of 1087268650 in words is "one billion, eighty-seven million, two hundred sixty-eight thousand, six hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •